Suppose that the service life in years of a hearing aid

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Suppose that the service life, in years, of a hearing aid battery is a random variable having a Weibull distribution with a = 1/2 and ß = 2.

(a) How long can such a battery be expected to last?

(b) What is the probability that such a battery will be operating after 2 years?

Reference no: EM13577066

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